Yoke-fastener.



C. F. MURRAY.

YOKE FASTENER.

APPLICATION FILED FEB. 29. 1912.

Patented Nov. 30, 1915.

STATES PATENT OFFICE.

cHAR s x. MURR Y, or EVANS'ION, ILLINOIS, ASSIGNOR 1 o KEYOKE RAILWAY mnrrmnn'r, COMPANY, or cHrcAGo, ILLINOIS, A CORPORATION or rumors.

YoKE-FASTENEB.

Specification of Letters Patent.

Patented Nov. 30, 1915.

Application flied February 29, 19 12. Serial No. 680,665.

To a'll whom. it may concern: I

Be it known thatI, CHARLES F. MURRAY, a citizen of the United States, and resident of Evanston, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Yoke-Fasteners, of which the following is a specification.

My invention re'latesto draft rigging and has particular reference to, a noivel connection between the draw-bar and t e yoke-..

It is well known that the connection between the draw-bar and the yoke is a point of weakness and many constructions have been devlsed whereby such connection may be strong and rigid and which construction shall eliminate the use of bolts or rivets.

It is a common construction to rivet the yoketo the butt end of the draw-bar by means oftw rivets. In practice; however, due to side'strains, the rivets are very often sheared and the connection broken.- One of the prolific c.auses of delays and accidents is the pulling out of the draw-bar due to a broken connection to theyoke.

It is the object of my present invention to eliminate the possibility of such conting'encies and provide a connection which'shall be simple, easily applied and removed, which shall eliminate the use of'jbolts and rivets and which .shall absolutely prevent the breaking of theconnection between the draw-bar and the yoke.

"having a standard shank 10, with upstand- Myii vention will be more readily understood by reference to the accompanying drawings, wherein,

Figure 1 is a side elevation partly broken away showing my novel attaching means;

Fig. 2 is an enlarged perspective view of the one-piece fastening device; Fig.3 is a side elevation partly broken away, showing a modification of the-construction .shown in Figs. 1 and 2; and Fig. 4 is a section on the line 4-4 of Fig. 3. p v

Referring more particularly to the drawings it will be seen that while I have shown several difi'erentmodifications, each thereof contemplates coiiperation .with a draw-bar ing shoulders or abutments 11. Also inthe modification shown in Figs. 1 and 3, the yoke 12'is ofthe ordinary construction having inturned hooks. or shoulders 13. -In Figs. 1 and 2 the fastening device is a uni! tarycasting or forging 14, having continuous top, bottom and side walls, the two ends being open, the opening through the end nearest the coupler being, however, smaller than the opening through the oppo site end. The small opening 15, as'shown in Fig. 1, is of a size just sufficient to pass over the enlarged butt end of the draw-bar.

attached and that practically no strain is applied through any pulling'orbufiiing to the key, the whole strain being taken up by the casting.

In the modification shown in Figs. 3 and 4, the draw-bar and yoke remain the same but the casting is formed in two parts 19,

20'. These two parts have overlapping sides,

each provided with registering slots 21, througll which the-key 22- may' be-passed. The advantage in this constructionis. that the end walls 23 may be longer than bythe construction shown in Figs. 1 and 2 and such construction willbe found preferable where a tandem gear'is employed and a part of the bufiingstrain is carried by the yoke. Such construction may also befound'desirable in' combination with a'two-part yoke,

that is, such a yoke as shown in patent to Murray, No. 1,000,932. By the use of'such yoke, all the advantages accruing to the construction shown in such patent may be secured.

Many modifications will undoubtedly suggest themselves to those skilled in the art, but my invention contemplates the employment of a separate, detachable fastening device and any such modifications I consider within the scope of my invention.

I claim:

1.'In a device of the class described, the A combination of a draw-bar, a yoke, cooperating shoulders and hooks on said draw-bar and yoke, a separate retaining device adapted to clasp said yoke on said draw-bar, said retaining device having inturned hooks co- 15 bar,

retaining device in position,

operating With the hooks on said yoke, and

a key passing through said retaining device and said draw-bar for securing said substantially as described.

2. In a device of the class described, the combination of a draw-bar, a yoke cooperating shoulders and hooks on said draw-bar and yoke, and a separate two-part clasp having apertured overlapping side flanges, said clasp being adapted to securely hold said yoke in position on said 'draw-bar, and a key passing through the registering apertures in said clasp and through said drawsubstantiallyj as described.

3. In a device of the class-described, the

CHARLES F. MURRAY.

Witnesses:

T. D. BUTLER, GEo. C. DAVISON. 

